313138857232 has 80 divisors (see below), whose sum is σ = 616069711872. Its totient is φ = 154174167680.

The previous prime is 313138857221. The next prime is 313138857233. The reversal of 313138857232 is 232758831313.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (313138857233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256040973 + ... + 256042195.

Almost surely, 2^313138857232 is an apocalyptic number.

It is an amenable number.

313138857232 is a deficient number, since it is larger than the sum of its proper divisors (302930854640).

313138857232 is a wasteful number, since it uses less digits than its factorization.

313138857232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116 (or 2110 counting only the distinct ones).

The product of its digits is 725760, while the sum is 46.

The spelling of 313138857232 in words is "three hundred thirteen billion, one hundred thirty-eight million, eight hundred fifty-seven thousand, two hundred thirty-two".